Home / 5,732.55-7,910.35-3,342.78

Finding the Fourth Proportional to 5,732.55, 7,910.35 and 3,342.78

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Solution

The fourth proportional to 5,732.55, 7,910.35 and 3,342.78 is: 4,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,732.55 : 7,910.35 = 3,342.78 : x
  2. Step 2: Convert to fraction form
    5,732.55/7,910.35 = 3,342.78/x
  3. Step 3: Cross multiply
    5,732.55x = 7,910.35 × 3,342.78
  4. Step 4: Simplify right side
    5,732.55x = 26,442,551.42
  5. Step 5: Solve for x
    x = 26,442,551.42/5,732.55
  6. Step 6: Final answer
    x = 4,612.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.